/* ===================================
   SIGN UP PAGE - BUD BUDOTS
   Atmospheric Morning Silog Theme
   Blue & Gold with Smoke Effects
   =================================== */

/* ===================================
   BASE RESET & VARIABLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --deep-blue: #3338A0;
    --light-blue: #4A50B8;
    --gold: #FCC61D;
    --warm-cream: #FFFBEB;
    --white: #FFFFFF;
    --text-dark: #2C3E50;
    --text-light: rgba(255, 255, 255, 0.9);
    --shadow-dark: rgba(0, 0, 0, 0.3);
    --shadow-light: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 100vh;
    position: relative;
}

/* ===================================
   ANIMATED BACKGROUND
   =================================== */
.background-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

/* Blue Gradient Base */
.gradient-base {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e40af 0%, #3338A0 50%, #3b82f6 100%);
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        filter: hue-rotate(0deg);
    }
    50% {
        filter: hue-rotate(10deg);
    }
}

/* Blurred Background Image */
.background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 30% 40%, rgba(252, 198, 29, 0.15) 0%, transparent 60%),
        radial-gradient(circle at 70% 60%, rgba(252, 198, 29, 0.1) 0%, transparent 50%);
    opacity: 0.3;
    filter: blur(80px);
}

/* Smoke/Steam Container */
.smoke-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.smoke {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    filter: blur(60px);
    opacity: 0;
    animation: smokeRise 20s infinite ease-in-out;
}

.smoke-1 {
    bottom: -200px;
    left: 10%;
    animation-delay: 0s;
}

.smoke-2 {
    bottom: -200px;
    left: 30%;
    animation-delay: 4s;
}

.smoke-3 {
    bottom: -200px;
    left: 50%;
    animation-delay: 8s;
}

.smoke-4 {
    bottom: -200px;
    left: 70%;
    animation-delay: 12s;
}

.smoke-5 {
    bottom: -200px;
    right: 10%;
    animation-delay: 16s;
}

.smoke-6 {
    bottom: -200px;
    right: 30%;
    animation-delay: 2s;
}

@keyframes smokeRise {
    0% {
        transform: translateY(0) scale(0.8);
        opacity: 0;
    }
    15% {
        opacity: 0.6;
    }
    50% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(-100vh) scale(1.5);
        opacity: 0;
    }
}

/* Light Beams */
.light-beams {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 200%;
    height: 200%;
    pointer-events: none;
}

.beam {
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(252, 198, 29, 0.3) 0%, 
        rgba(252, 198, 29, 0.1) 50%, 
        transparent 100%);
    filter: blur(3px);
    animation: beamGlow 8s infinite ease-in-out;
}

.beam-1 {
    left: 30%;
    animation-delay: 0s;
}

.beam-2 {
    left: 50%;
    animation-delay: 2s;
}

.beam-3 {
    left: 70%;
    animation-delay: 4s;
}

@keyframes beamGlow {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(1);
    }
    50% {
        opacity: 0.6;
        transform: scaleY(1.2);
    }
}

/* ===================================
   SIGN UP CONTAINER
   =================================== */
.signup-container {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

/* Sign Up Card - Glassmorphism */
.signup-card {
    position: relative;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    padding: 50px 40px;
    width: 100%;
    max-width: 550px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    animation: cardFadeIn 0.8s ease-out;
    overflow: hidden;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Card Steam Effects */
.card-steam {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    filter: blur(30px);
    opacity: 0;
    animation: cardSteam 15s infinite ease-in-out;
}

.card-steam-1 {
    bottom: -50px;
    left: 20%;
    animation-delay: 0s;
}

.card-steam-2 {
    bottom: -50px;
    right: 20%;
    animation-delay: 5s;
}

.card-steam-3 {
    bottom: -50px;
    left: 50%;
    animation-delay: 10s;
}

@keyframes cardSteam {
    0%, 100% {
        transform: translateY(0) scale(0.8);
        opacity: 0;
    }
    50% {
        transform: translateY(-150px) scale(1.2);
        opacity: 0.4;
    }
}

/* ===================================
   BRAND SECTION
   =================================== */
.brand-section {
    text-align: center;
    margin-bottom: 25px;
}

.logo-circle {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, var(--gold) 0%, #f4b000 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--deep-blue);
    box-shadow: 
        0 10px 30px rgba(252, 198, 29, 0.4),
        inset 0 -5px 10px rgba(0, 0, 0, 0.1);
    animation: logoPulse 3s infinite ease-in-out;
}

@keyframes logoPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(252, 198, 29, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 40px rgba(252, 198, 29, 0.6);
    }
}

.brand-name {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

/* ===================================
   WELCOME SECTION
   =================================== */
.welcome-section {
    text-align: center;
    margin-bottom: 30px;
}

.welcome-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.9rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.welcome-subtitle {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
    line-height: 1.5;
}

/* ===================================
   SIGN UP FORM
   =================================== */
.signup-form {
    margin-bottom: 20px;
}

/* Input Row for 2 columns */
.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

/* Input Groups */
.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group input {
    width: 100%;
    padding: 14px 14px 14px 50px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    color: var(--white);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.input-group input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.25);
    border-color: var(--gold);
    box-shadow: 0 0 0 4px rgba(252, 198, 29, 0.2);
}

.input-group input:focus ~ .input-underline {
    transform: scaleX(1);
}

/* Input Icons */
.input-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gold);
    font-size: 1rem;
    pointer-events: none;
    z-index: 2;
}

/* Animated Underline */
.input-underline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), #f4b000);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    border-radius: 0 0 15px 15px;
}

/* Toggle Password Button */
.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    font-size: 1rem;
    transition: color 0.3s ease;
    z-index: 2;
}

.toggle-password:hover {
    color: var(--gold);
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 8px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.strength-bar.weak {
    width: 33%;
    background: #f44336;
}

.strength-bar.medium {
    width: 66%;
    background: #FCC61D;
}

.strength-bar.strong {
    width: 100%;
    background: #4CAF50;
}

/* Form Options */
.form-options {
    margin-bottom: 25px;
}

/* Custom Checkbox */
.terms-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.terms-checkbox input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    min-width: 20px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    position: relative;
    transition: all 0.3s ease;
    margin-top: 2px;
}

.terms-checkbox input[type="checkbox"]:checked ~ .checkmark {
    background: var(--gold);
    border-color: var(--gold);
}

.terms-checkbox input[type="checkbox"]:checked ~ .checkmark::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--deep-blue);
    font-size: 0.7rem;
}

.label-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Terms Link */
.terms-link {
    color: var(--gold);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.terms-link:hover {
    text-decoration: underline;
    text-shadow: 0 0 10px rgba(252, 198, 29, 0.5);
}

/* ===================================
   SIGN UP BUTTON
   =================================== */
.btn-signup {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--gold) 0%, #f4b000 100%);
    color: var(--deep-blue);
    border: none;
    border-radius: 15px;
    font-family: 'Poppins', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(252, 198, 29, 0.4);
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.btn-signup:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(252, 198, 29, 0.6);
}

.btn-signup:active {
    transform: translateY(-1px);
}

.btn-text {
    position: relative;
    z-index: 2;
}

/* Button Glow Effect */
.btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.5), transparent);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.5s ease;
    border-radius: 50%;
}

.btn-signup:hover .btn-glow {
    transform: translate(-50%, -50%) scale(2.5);
    animation: glowPulse 5s infinite;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 0.8;
    }
}

/* Button Steam Effect */
.btn-steam {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 50px;
    height: 50px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.4), transparent);
    border-radius: 50%;
    filter: blur(15px);
    opacity: 0;
    animation: btnSteam 3s infinite ease-in-out;
}

@keyframes btnSteam {
    0%, 100% {
        transform: translate(-50%, 0);
        opacity: 0;
    }
    50% {
        transform: translate(-50%, -100px);
        opacity: 0.6;
    }
}

/* ===================================
   DIVIDER
   =================================== */
.divider {
    position: relative;
    text-align: center;
    margin: 20px 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.divider span {
    position: relative;
    display: inline-block;
    padding: 0 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    border-radius: 20px;
}

/* ===================================
   GOOGLE BUTTON
   =================================== */
.btn-google {
    width: 100%;
    padding: 13px;
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    color: var(--white);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-google:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.google-icon {
    width: 22px;
    height: 22px;
}

/* ===================================
   LOGIN SECTION
   =================================== */
.login-section {
    text-align: center;
    margin-top: 20px;
}

.login-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.login-link {
    color: var(--gold);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.login-link:hover {
    text-decoration: underline;
    text-shadow: 0 0 10px rgba(252, 198, 29, 0.5);
}

/* ===================================
   FLOATING FOOD ICONS
   =================================== */
.floating-food {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 5;
}

.food-icon {
    position: absolute;
    font-size: 3rem;
    opacity: 0.2;
    animation: floatFood 25s infinite ease-in-out;
}

.food-1 {
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

.food-2 {
    top: 25%;
    right: 12%;
    animation-delay: 5s;
}

.food-3 {
    bottom: 20%;
    left: 8%;
    animation-delay: 10s;
}

.food-4 {
    bottom: 30%;
    right: 15%;
    animation-delay: 15s;
}

.food-5 {
    top: 50%;
    right: 5%;
    animation-delay: 20s;
}

@keyframes floatFood {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(30px, -30px) rotate(10deg);
    }
    50% {
        transform: translate(-20px, -50px) rotate(-10deg);
    }
    75% {
        transform: translate(-30px, -20px) rotate(5deg);
    }
}

/* ===================================
   NOTIFICATION
   =================================== */
.notification {
    position: fixed;
    top: 30px;
    right: -400px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 25px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 10000;
    transition: right 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 350px;
}

.notification.show {
    right: 30px;
}

.notification-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4CAF50, #45a049);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.notification-icon.error {
    background: linear-gradient(135deg, #f44336, #d32f2f);
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--deep-blue);
    margin-bottom: 3px;
}

.notification-message {
    font-size: 0.9rem;
    color: #666;
}

/* ===================================
   SUCCESS MODAL
   =================================== */
.success-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.success-modal.show {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 50px 40px;
    border-radius: 30px;
    text-align: center;
    max-width: 450px;
    width: 90%;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    transform: scale(0.7);
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.success-modal.show .modal-content {
    transform: scale(1);
}

/* ===================================
   VERIFICATION MODAL
   =================================== */
.verification-content {
    max-width: 500px;
}

.verification-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, #3338A0, #4A50B8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    box-shadow: 0 15px 40px rgba(51, 56, 160, 0.4);
    animation: iconPulse 2s infinite ease-in-out;
}

@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.verification-input-group {
    margin: 30px 0;
}

.verification-input {
    width: 100%;
    padding: 18px 20px;
    font-size: 28px;
    font-weight: 600;
    text-align: center;
    letter-spacing: 8px;
    background: rgba(51, 56, 160, 0.05);
    border: 2px solid rgba(51, 56, 160, 0.2);
    border-radius: 15px;
    color: var(--deep-blue);
    font-family: 'Courier New', monospace;
    transition: all 0.3s ease;
}

.verification-input:focus {
    outline: none;
    border-color: var(--gold);
    background: rgba(252, 198, 29, 0.05);
    box-shadow: 0 0 0 4px rgba(252, 198, 29, 0.2);
}

.verification-timer {
    margin: 20px 0;
    padding: 12px;
    background: rgba(255, 152, 0, 0.1);
    border-radius: 10px;
    color: #ff6b00;
    font-size: 0.95rem;
    font-weight: 600;
}

.verification-timer.expired {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
}

.btn-verify {
    width: 100%;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--gold), #f4b000);
    color: var(--deep-blue);
}

.btn-resend {
    width: 100%;
    background: transparent;
    border: 2px solid rgba(51, 56, 160, 0.3);
    color: var(--deep-blue);
}

.btn-resend:hover {
    background: rgba(51, 56, 160, 0.1);
    border-color: var(--deep-blue);
}

.btn-resend:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Success Animation */
.success-animation {
    position: relative;
    margin-bottom: 30px;
}

.checkmark-circle {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    background: linear-gradient(135deg, #4CAF50, #45a049);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    box-shadow: 0 15px 40px rgba(76, 175, 80, 0.4);
    animation: checkmarkPop 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.3s both;
}

@keyframes checkmarkPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Confetti */
.confetti {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
}

.confetti-piece {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--gold);
    top: 50%;
    left: 50%;
    opacity: 0;
    animation: confettiFall 1.5s ease-out forwards;
}

.confetti-piece:nth-child(1) {
    background: #FCC61D;
    animation-delay: 0.5s;
}

.confetti-piece:nth-child(2) {
    background: #3338A0;
    animation-delay: 0.6s;
}

.confetti-piece:nth-child(3) {
    background: #FCC61D;
    animation-delay: 0.7s;
}

.confetti-piece:nth-child(4) {
    background: #4CAF50;
    animation-delay: 0.8s;
}

.confetti-piece:nth-child(5) {
    background: #FCC61D;
    animation-delay: 0.9s;
}

.confetti-piece:nth-child(6) {
    background: #3338A0;
    animation-delay: 1s;
}

@keyframes confettiFall {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translate(
            calc(-50% + var(--x, 100px)), 
            calc(-50% + var(--y, 100px))
        ) rotate(720deg);
        opacity: 0;
    }
}

.confetti-piece:nth-child(1) { --x: 80px; --y: -80px; }
.confetti-piece:nth-child(2) { --x: -80px; --y: -80px; }
.confetti-piece:nth-child(3) { --x: 100px; --y: 0px; }
.confetti-piece:nth-child(4) { --x: -100px; --y: 0px; }
.confetti-piece:nth-child(5) { --x: 70px; --y: 70px; }
.confetti-piece:nth-child(6) { --x: -70px; --y: 70px; }

.modal-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--deep-blue);
    margin-bottom: 15px;
}

.modal-message {
    font-size: 1.05rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 30px;
}

.btn-modal {
    padding: 14px 35px;
    background: linear-gradient(135deg, var(--gold), #f4b000);
    color: var(--deep-blue);
    border: none;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 30px rgba(252, 198, 29, 0.4);
    transition: all 0.3s ease;
}

.btn-modal:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(252, 198, 29, 0.6);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
    .signup-card {
        padding: 40px 30px;
        max-width: 500px;
    }

    .welcome-title {
        font-size: 1.6rem;
    }

    .logo-circle {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }

    .brand-name {
        font-size: 1.5rem;
    }

    .food-icon {
        font-size: 2rem;
    }

    .notification {
        max-width: 300px;
    }

    .modal-content {
        padding: 40px 30px;
    }

    .modal-title {
        font-size: 1.6rem;
    }
}

@media (max-width: 600px) {
    .input-row {
        grid-template-columns: 1fr;
        gap: 0;
        margin-bottom: 0;
    }
}

@media (max-width: 480px) {
    .signup-card {
        padding: 35px 25px;
        border-radius: 25px;
    }

    .welcome-title {
        font-size: 1.4rem;
    }

    .logo-circle {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }

    .brand-name {
        font-size: 1.3rem;
    }

    .btn-signup {
        font-size: 1rem;
        padding: 14px;
    }

    .notification {
        right: 10px;
        max-width: calc(100vw - 40px);
    }

    .notification.show {
        right: 10px;
    }

    .food-icon {
        font-size: 1.5rem;
        opacity: 0.15;
    }

    .modal-content {
        padding: 35px 25px;
    }

    .checkmark-circle {
        width: 100px;
        height: 100px;
        font-size: 3rem;
    }
}

/* ===================================
   LOADING STATE
   =================================== */
.btn-signup.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-signup.loading .btn-text::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 10px;
    border: 2px solid var(--deep-blue);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */
*:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 2px solid var(--gold);
}