/* =============================================
   DENTAL CMS - Base Styles & Reset
   ============================================= */

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-x: hidden; /* Previne scroll orizontal */
    width: 100%;
    max-width: 100vw; /* Previne overflow pe mobile */
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Previne scroll orizontal */
    width: 100%;
    max-width: 100vw; /* Previne overflow pe mobile */
    position: relative;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p { margin-bottom: var(--space-4); }
p:last-child { margin-bottom: 0; }

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover { color: var(--primary-700); }

/* Lists */
ul, ol { list-style: none; }

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Forms */
input, select, textarea, button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

input:focus, select:focus, textarea:focus, button:focus {
    outline: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

/* Utility Classes */
.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Selection */
::selection {
    background: var(--primary-100);
    color: var(--primary-900);
}

/* Focus Ring */
.focus-ring:focus {
    box-shadow: 0 0 0 3px var(--primary-200);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-fade-in { animation: fadeIn var(--transition-base); }
.animate-slide-up { animation: slideInUp var(--transition-slow); }
.animate-slide-right { animation: slideInRight var(--transition-slow); }